This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from RENU's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 18:40 GMT Sat 15 Aug, 2026 IPv4 BGP Table (Global) as seen at RENU. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/RENU/ Analysis Summary ---------------- BGP routing table entries examined: 1060126 Prefixes after maximum aggregation (per Origin AS): 409279 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 527832 Number of IPv4 prefixes with a valid ROA: 728801 Number of IPv4 prefixes with an invalid ROA: 944 Number of IPv4 prefixes with no ROA: 330381 Total ASes present in the Internet Routing Table: 79022 Prefixes per ASN: 13.42 Origin-only ASes present in the Internet Routing Table: 67765 Origin ASes announcing only one prefix: 27681 Transit ASes present in the Internet Routing Table: 11257 Transit-only ASes present in the Internet Routing Table: 613 Paths with bogon ASNs present in the IPv4 Routing Table: 279 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 215 Max AS path prepend of ASN (205624) 210 Prefixes from unregistered ASNs in the Routing Table: 1475 Number of instances of unregistered ASNs: 1524 Number of 32-bit ASNs allocated by the RIRs: 50839 Number of 32-bit ASNs visible in the Routing Table: 41341 Prefixes from 32-bit ASNs in the Routing Table: 238592 Number of bogon 32-bit ASNs visible in the Routing Table: 127 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 560 Number of addresses announced to Internet: 3119383808 Equivalent to 185 /8s, 238 /16s and 5 /24s Percentage of available address space announced: 84.3 Percentage of allocated address space announced: 84.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 350596 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 283193 Total APNIC prefixes after maximum aggregation: 84282 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 269730 Unique aggregates announced from the APNIC address blocks: 109417 APNIC Region origin ASes present in the Internet Routing Table: 15277 APNIC Prefixes per ASN: 17.66 APNIC Region origin ASes announcing only one prefix: 4730 APNIC Region transit ASes present in the Internet Routing Table: 2025 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10901 Number of APNIC addresses announced to Internet: 748285440 Equivalent to 44 /8s, 153 /16s and 238 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-155961 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 307560 Total ARIN prefixes after maximum aggregation: 138401 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 306092 Unique aggregates announced from the ARIN address blocks: 150390 ARIN Region origin ASes present in the Internet Routing Table: 19478 ARIN Prefixes per ASN: 15.71 ARIN Region origin ASes announcing only one prefix: 7163 ARIN Region transit ASes present in the Internet Routing Table: 1929 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 65 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5724 Number of ARIN addresses announced to Internet: 1350189056 Equivalent to 80 /8s, 122 /16s and 64 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-404380 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 297457 Total RIPE prefixes after maximum aggregation: 147143 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 302211 Unique aggregates announced from the RIPE address blocks: 196867 RIPE Region origin ASes present in the Internet Routing Table: 29717 RIPE Prefixes per ASN: 10.17 RIPE Region origin ASes announcing only one prefix: 12299 RIPE Region transit ASes present in the Internet Routing Table: 4081 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 215 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13728 Number of RIPE addresses announced to Internet: 749468928 Equivalent to 44 /8s, 171 /16s and 253 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-219547 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 130098 Total LACNIC prefixes after maximum aggregation: 31452 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 124353 Unique aggregates announced from the LACNIC address blocks: 51417 LACNIC Region origin ASes present in the Internet Routing Table: 11460 LACNIC Prefixes per ASN: 10.85 LACNIC Region origin ASes announcing only one prefix: 2770 LACNIC Region transit ASes present in the Internet Routing Table: 2645 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9553 Number of LACNIC addresses announced to Internet: 167728896 Equivalent to 9 /8s, 255 /16s and 87 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 40343 Total AfriNIC prefixes after maximum aggregation: 7183 AfriNIC Deaggregation factor: 5.62 Prefixes being announced from the AfriNIC address blocks: 57180 Unique aggregates announced from the AfriNIC address blocks: 19287 AfriNIC Region origin ASes present in the Internet Routing Table: 2065 AfriNIC Prefixes per ASN: 27.69 AfriNIC Region origin ASes announcing only one prefix: 719 AfriNIC Region transit ASes present in the Internet Routing Table: 383 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 68 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1435 Number of AfriNIC addresses announced to Internet: 103406848 Equivalent to 6 /8s, 41 /16s and 221 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 14136 8736 124 CHINAMOBILE-CN - China Mobile Communicati 7545 5836 818 450 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5067 559 343 BBIL-AP - BHARTI Airtel Ltd., IN 7552 4077 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3766 1044 63 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3604 888 179 CMNET-Jiangsu-AP - China Mobile communica 45899 3378 1868 98 VNPT-AS-VN - VNPT Corp, VN 17561 2925 184 501 LCS-AS-AP - LARUS Limited, HK 140292 2708 287 2035 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 24560 2577 648 729 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 15826 42037 5664 AMAZON-02 - Amazon.com, Inc., US 22773 4799 3166 368 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4615 306 1134 CABLEONE - CABLE ONE, INC., US 7155 3998 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3735 1305 74 SHAW - Shaw Communications, CA 396982 3459 4879 547 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3189 238 1105 AS-COLOCROSSING - HostPapa, US 749 3133 54647 2384 DNIC-AS-00749 - United States Department 7029 2762 2589 887 WINDSTREAM - Windstream Communications LL 31898 2611 1329 1152 ORACLE-BMC-31898 - Oracle Corporation, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6981 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4179 379 2562 M247 - M247 Europe SRL, RO 20940 3919 3388 103 AKAMAI-ASN1 - Akamai International B.V., 212238 3507 253 2646 CDNEXT - Datacamp Limited, GB 12389 3122 2330 869 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2520 150 27 KCELL-AS - Kcell JSC, KZ 34984 2482 367 586 TELLCOM-AS - Superonline Iletisim Hizmetl 44559 1945 122 910 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1710 1852 14 TE-AS - IDDQD-AS, EG Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12447 3178 698 AS8151 - UNINET, MX 10620 3444 451 1107 AS10620 - Telmex Colombia S.A., CO 13999 2271 499 331 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1884 369 65 AS11830 - Instituto Costarricense de Elec 11664 1499 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1380 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1169 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1097 70 386 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1047 2344 93 AS26615 - TIM S/A, BR Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1984 561 33 Vodafone Data - Vodafone Data, EG 36992 1928 1543 333 ETISALAT MISR - ETISALAT MISR, EG 36903 1350 587 104 Office National des Postes et Telecommuni 24863 1296 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36935 1253 524 47 Vodafone Data - Vodafone Data, EG 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 20011 1072 189 282 Dimension Data - Dimension Data, ZA 328608 591 55 192 Africa on Cloud - Africa on Cloud, ZA 36873 575 141 39 Airtel Networks Limited - Airtel Networks Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 15826 42037 5664 AMAZON-02 - Amazon.com, Inc., US 9808 14136 8736 124 CHINAMOBILE-CN - China Mobile Communicati 8151 12447 3178 698 AS8151 - UNINET, MX 12479 6981 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5836 818 450 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5067 559 343 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4799 3166 368 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4615 306 1134 CABLEONE - CABLE ONE, INC., US 9009 4179 379 2562 M247 - M247 Europe SRL, RO Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 14136 14012 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12447 11749 AS8151 - UNINET, MX 12479 6981 6831 UNI2-AS - Orange Espagne SA, ES 7545 5836 5386 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4907 4831 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5067 4724 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4799 4431 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4077 4053 VIETEL-AS-AP - Viettel Group, VN 7155 3998 3911 VIASAT-SP-BACKBONE - ViaSat,Inc., US 20940 3919 3816 AKAMAI-ASN1 - Akamai International B.V., NL Complete listing at https://bgp.nsrc.org/REN/RENU/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 394928 UNALLOCATED 8.2.70.0/24 6461 ZAYO-6461 - Zayo Bandwi 395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887 - C 394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174 - Cogent Com 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent 395195 UNALLOCATED 8.38.115.0/24 33132 CROWNCASTLE-AS33132 - C 397274 UNALLOCATED 8.40.70.0/24 3356 LEVEL3 - Level 3 Parent Complete listing at https://bgp.nsrc.org/REN/RENU/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE - Hurricane Electric LLC, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.130.160.0/24 Origin: 16509 AMAZON-02 - Amazon.com, Inc., US 23.130.160.0/24 Transit: 5511 Opentransit - Orange S.A., FR 23.131.100.0/24 Origin: 401541 UNASSIGNED 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.156.0/24 Origin: 401541 UNASSIGNED 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.212.0/24 Origin: 401541 UNASSIGNED 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C Complete listing at https://bgp.nsrc.org/REN/RENU/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:39 /11:97 /12:300 /13:591 /14:1191 /15:2129 /16:13716 /17:8297 /18:13305 /19:25381 /20:45454 /21:53349 /22:113634 /23:109809 /24:672804 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 6819 12447 AS8151 - UNINET, MX 12479 5912 6981 UNI2-AS - Orange Espagne SA, ES 39891 3656 4907 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3518 3735 SHAW - Shaw Communications, CA 11492 3511 4615 CABLEONE - CABLE ONE, INC., US 22773 3054 4799 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 3000 15826 AMAZON-02 - Amazon.com, Inc., US 7155 2951 3998 VIASAT-SP-BACKBONE - ViaSat,Inc., US 10620 2248 3444 AS10620 - Telmex Colombia S.A., CO 30036 2209 2555 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1941 2:2873 3:1023 4:5 5:5292 6:206 7:6 8:1364 9:96 11:172 12:1101 13:866 14:2746 15:488 16:267 17:455 18:944 20:610 21:4 22:188 23:8589 24:2722 25:2 27:2814 28:6 29:19 31:3820 32:37 34:95 35:291 36:4892 37:4466 38:10377 39:1375 40:426 41:4795 42:1058 43:3374 44:484 45:19941 46:5002 47:460 48:171 49:2307 50:2014 51:876 52:1370 54:325 55:1081 56:11 57:337 58:2411 59:1361 60:1242 61:3212 62:3171 63:1742 64:6572 65:2149 66:6255 67:3345 68:1286 69:4074 70:1054 71:603 72:3229 74:3085 75:1599 76:594 77:2921 78:2126 79:1834 80:2368 81:2283 82:4392 83:1496 84:2157 85:3921 86:1132 87:2953 88:1339 89:4832 90:764 91:8519 92:2762 93:3065 94:4501 95:4741 96:1450 97:306 98:933 99:969 100:73 101:1341 102:5232 103:32279 104:5659 105:1298 106:916 107:2985 108:1370 109:3948 110:2276 111:4212 112:3146 113:1781 114:2516 115:2240 116:2090 117:3687 118:2591 119:2070 120:2813 121:1698 122:3057 123:2225 124:1688 125:2997 126:156 128:1568 129:1015 130:1728 131:2530 132:894 133:493 134:1800 135:655 136:1563 137:1388 138:3417 139:1810 140:1914 141:1827 142:2627 143:2208 144:1869 145:673 146:2189 147:2328 148:2829 149:3613 150:1419 151:3053 152:2433 153:1999 154:9731 155:2398 156:4329 157:2457 158:1638 159:2922 160:4082 161:2072 162:4216 163:2687 164:2387 165:2786 166:1188 167:2389 168:4240 169:938 170:5634 171:1126 172:4937 173:3497 174:891 175:1399 176:4056 177:5376 178:4614 179:2563 180:3279 181:4662 182:4062 183:2830 184:2061 185:22035 186:6559 187:5511 188:4696 189:4612 190:10006 191:1820 192:11847 193:9641 194:7956 195:5925 196:3768 197:3712 198:6201 199:6121 200:8309 201:6659 202:10463 203:10523 204:4720 205:3691 206:4414 207:3941 208:4326 209:5419 210:4625 211:2712 212:5220 213:4133 214:1019 215:47 216:7320 217:3756 218:1894 219:416 220:2259 221:1405 222:964 223:3594 End of report